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added simple bitmap font + function to draw RGBA

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+ option to annotatne testcard bars
This commit is contained in:
Martin Pulec
2023-02-08 09:47:40 +01:00
parent e06c1af422
commit 16659b61ea
4 changed files with 185 additions and 1 deletions
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16
src/utils/video_pattern_generator.cpp
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@@ -68,6 +68,7 @@
#include "debug.h"
#include "ug_runtime_error.hpp"
#include "utils/color_out.h"
#include "utils/text.h"
#include "video.h"
#include "video_capture/testcard_common.h"
#include "video_pattern_generator.hpp"
@@ -158,6 +159,15 @@ class image_pattern {
};
class image_pattern_bars : public image_pattern {
public:
explicit image_pattern_bars(string const &init) {
if (init == "help"s) {
col() << "Testcard bar usage:\n\t" << SBOLD(SRED("-t testcard:pattern=bars") << "[=text]") << " - optionally annotate with text" << "\n";
throw 1;
}
annotate = init;
}
private:
enum generator_depth fill(int width, int height, unsigned char *data) override {
int col_num = 0;
int rect_size = COL_NUM;
@@ -197,8 +207,12 @@ class image_pattern_bars : public image_pattern {
}
}
}
if (!annotate.empty()) {
draw_line((char *) data, width * 4, annotate.c_str(), 0xFFFFFFFF, true);
}
return generator_depth::bits8;
}
string annotate;
};
/**
@@ -437,7 +451,7 @@ unique_ptr<image_pattern> image_pattern::create(string const &config) {
params = config.substr(delim + 1);
}
if (pattern == "bars") {
return make_unique<image_pattern_bars>();
return make_unique<image_pattern_bars>(params);
}
if (pattern == "blank") {
return make_unique<image_pattern_blank>(params);